Tsinghua's Puro-2B Trains a Language Model for Less Than One GPU Rental

A Tsinghua team trained a 2B language model from scratch on consumer RTX 5090s for under $6,900, matching Qwen2.5-1.5B and open-sourcing everything.

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AlphaSignal

Published

Sep 1, 2026, 7:07 PM

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AlphaSignal Newsroom

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1 min read

A Tsinghua team trained a 2B language model from scratch on consumer RTX 5090s for under $6,900, matching Qwen2.5-1.5B and open-sourcing everything.

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